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Allegiant Airlines charges a mean base fare of $87. In addition, the airline charges for making...

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Basic Math

Allegiant Airlines charges a mean base fare of $87. In addition,the airline charges for making a reservation on its website,checking bags, and inflight beverages. These additional chargesaverage $37 per passenger. Suppose a random sample of 50 passengersis taken to determine the total cost of their flight on AllegiantAirlines. The population standard deviation of total flight cost isknown to be $38. Use z-table.

a. What is the population mean cost per flight?

b. What is the probability the sample mean will be within $10 ofthe population mean cost per flight (to 4 decimals)?

c. What is the probability the sample mean will be within $5 ofthe population mean cost per flight (to 4 decimals)?

Answer & Explanation Solved by verified expert
4.2 Ratings (523 Votes)
Here let X be the random variable denoting the cost    See Answer
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